제출 #633494

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
633494		anjamilicevic	콤보 (IOI18_combo)	C++14	컴파일 에러	0 ms	0 KiB

combo

#include <bits/stdc++.h>
#define IOS {ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); }
#define pb push_back

using namespace std;

vector<char> v={'A', 'B', 'X', 'Y'}, w;

string guess_sequence(int n)
{
    string s="";
    char x;

    string p="AB";
    if(press(p))
    {
        x='B';
        if(press("A"))x='A';
    }
    else
    {
        x='Y';
        if(press("X"))x='X';
    }

    s+=x;

    for(auto u:v)
    {
        if(u!=x)w.pb(u);
    }

    while(s.size() < n-1)
    {
        string q=s+w[0]+s+w[1]+w[0]+s+w[1]+w[1]+s+w[1]+w[2];
        int cnt=press(q);
        int vel=s.size();
        if(cnt == vel+1)s+=w[0];
        else if(cnt == vel+2)s+=w[1];
        else s+=w[2];
    }

    char c=w[2];
    if(n>1)
    {

        for(int i=0; i<2; i++)
        {
            if(press(s+w[i]) == n)c=w[i]; break;
        }
    }

    s+=c;

    return s;
}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:15:8: error: 'press' was not declared in this scope
   15 |     if(press(p))
      |        ^~~~~
combo.cpp:33:20: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   33 |     while(s.size() < n-1)
      |           ~~~~~~~~~^~~~~
combo.cpp:36:17: error: 'press' was not declared in this scope
   36 |         int cnt=press(q);
      |                 ^~~~~
combo.cpp:49:16: error: 'press' was not declared in this scope
   49 |             if(press(s+w[i]) == n)c=w[i]; break;
      |                ^~~~~
combo.cpp:49:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   49 |             if(press(s+w[i]) == n)c=w[i]; break;
      |             ^~
combo.cpp:49:43: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   49 |             if(press(s+w[i]) == n)c=w[i]; break;
      |                                           ^~~~~